下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。

增加：在缺词处一个漏字符号（ ），并在下面加上该加的词。

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

注意：1. 每处错误及其修改均仅限一词；2. 只允许修改10处，多者（从第11处起）不计分。

    Life is complicated. We can't avoid anything annoy or stressful. However, what is of great importance is that we should keep a good state of mind.

    An experience never fades from my memory. With a vital exam drawing near, I felt such nervous that I even couldn't eat or sleep, thus make me very sleepy in class. Seeing this, my teacher comes to my help. With her aid, I adjusted myself and felt confidence again. In the meantime, a detailed plan was made go over my lessons. In the end, I managed to pass the exam.

    It was a good state of mind which helped me get through the exam. A good state of mind is what it takes to realize our goal. Whenever your emotion is out of the control, just keep in mind that only with possessing a good state of mind can you attain success.

增加：在缺词处加一个漏字符号（ ），并在其下面写出该加的词。

删除：把多余的词用（＼划掉）。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：每处错误及其修改均仅限一词。

增加：在缺词处加一个漏字符号（ ），并在其下面写出该加的词

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从第11处起）不计分。

    Yesterday, I stepped into a shop to have my watch repair. After the shop assistant checked the watch, she said she had to contact with her manager to see if this kind of problem could be fixed. As I was waiting the response from the manager, I saw a old man in a wheelchair roll himself over to the counter. No one seemed to have noticed him, so I got up, went over to his wheelchair and ask whether I could give him some helps. Kindly as I was, I found that I could do nothing to help her. At that moment, the assistant replied that it would cost little money to fix this problem. I was very sad and about to leave the shop while the old man said, "You are a nice and thoughtful boy, and I would like to help you pay for it."

增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。

删除：把多余的词用斜线(＼)划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：

1．每处错误及其修改均仅限一词:

2．只允许修改10处，多者(从第11处起)不计分。

    On December 30, after two weeks' training, we finally began our work for volunteer guides in a museum. During the first two weeks, I learnt a lot about the story behind the artworks. In order to do good in the work, my teammates and I made fully preparations. We first worked out a careful plan. Then we practiced use proper body language to explain the artworks better. The month-long volunteer work has now come to end, from what I understand that it isn't easy to be a good guide. Besides. I also realize that how important teamwork is. I believed that I will get lifelong benefits from the short and meaningful experience.

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词；

删除：把多余的词用斜线（＼）划掉；

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：1．每处错误及其修改词均仅限一词。

2．只允许修改10处，多者（从第11处起）不计分。

    There may be two mainly reasons for the popularity of English in China in recent year: the economic(经济的)reform and the open policy. With the development of international trade and co-operation, English as the international language play a more and more important role. The demand for people known English is increasing. The labor market requires you to do business with foreign companies, to open foreign markets, and to learn to use up advanced technology from abroad. They are also needed to participate international affairs. University students who English level is high are easily employed and well pay. This encourages people to learn English.